http://www.mondaq.com/australia/x/790388/Building+Construction/Where+to+from+Opal+and+Lacrosse+Towards+a+better+assurance+system+in+NSW+construction+industry
http://www.mondaq.com/australia/x/790388/Building+Construction/Where+to+from+Opal+and+Lacrosse+Towards+a+better+assurance+system+in+NSW+construction+industry